Boiler-tube cleaner.



No. 784,129. PATENTED MAR. '7, 1905. 1 H. F. WEINLAND.

BOILER TUBE CLEANER.

APPLICATION FILED JAN. 28, 1904.

2 SHEETS-SHEET 1.

Elnventoz jimy E Mainland,

No. 784,129. PATENTED MAR. 7, 1905.

H F WBINLAND BOILER TUBE CLEANER.

APPLICATION FILED JAN. 28, 1904.

2 SHEETS-SHEET 2.

SJ 1 1 1mm. L'oa JinryF wez'nland,

akbozwug Ilurrnn Srarns Patented March 7, 1905.

ATFWT Opinion,

HENRY F. WVEINLANI), OF SPRINGFIELD, OHIO, ASSIGNOR TITOITI-IID LAGONDAMANUFACTURING COMPANY, OF SPRINGFIELD, OHIO,

A CORPORATION OF OHIO.

.IBOIILEH TUBE CLEANIEI I...

SPECIFICATION forming part of Letters Patent No. 784,129, dated March 7,1905.

Application filed January 23, 1904. Serial No. 191,029.

1'0 at whom it may concern:

Be it known that I, HENRY F. VVEINLAND, a citizen of the United States,residing at Springfield, in the county of Clark and State of Ohio, haveinvented certain new and use ful Improvements in Boiler-Tube Cleaners,of which the following is a specification, reference being had thereinto the accompanying drawings.

This invention relates to improvements in steamboiler-tube cleaners, andis of the general type embodied in Letters Patent No. 743,782, issuedNovember 10, 1903. for improvements in tube-cleaners, granted upon myapplication and issued to my assignee, the Lagonda ManufacturingCompany, of Springfield, Ohio, to whom this present invention is alsoassigned; but the'cleaner embodied in that patent has its head or bodyportion constructed essentially of separate disks or plates fixed upon acentral shaft. It is in this particular that the present inventiondeparts from and is an improvement over that embodied in said patent.

The present head or body portion is constructed of a single integralpiece of metalsay a castingwith pockets or recesses to receive thecutters proper and the bearing blocks, which carry the shafts thereof, apcculiar and suitable provision being made for the insertion and removalof the cutter-shafts into and out of the bearing-blocks and cuttersafter and while the same are stationed in such pockets or recesses, allas hereinafter more fully described, and particularly pointed out in theclaims. I may add by way of fur ther preface, however, that this type ofhead or body portion has among its advantages that of absolute stabilityand rigidity without undue weight, while also being free from theliability of loosening and rattling of parts, making the tool or cleanerinto which this head or body portion enters a complete andeasily-assembled device.

In the accompanying drawings, forming a part of this specification, andon which like referencedetters indicate corresponding parts, Figure 1 isa side elevation of my improved cleaner with some of the cuttersremoved. Fig. 2 is a transverse sectional view on the line :1: a of Fig.1, showing the pockets or recesses which contain the bearingblocks andshowing the bearing-blocks themselves and the cutter-shafts all insection; Fig. 3, a detail enlarged perspective view of one of thebearing-blocks; Fig. 4,, a longitudinal axial sectional view of thecleaner entire; Fig. 5, a rear elevation of the cleaner; Fig. (:3. atransverse sectional view on the line ;I of Fig. i, and Fig. 7 a frontelevation of the cleaner with the conical cutters and the forward tipremoved.

The letter A designates the head or body portion of my improved cleaner,and the letters B- and C respectively indicate the driving-shaft and theforward cutter-stem, which are shown integral with this head or bodyportion. This integral construction is preferred; but I do not wish tobe umlerstood as limiting myself to this construction in respect to themanner of uniting the driving-shaft B and the cutter-stem C to the heador body portion. The shaft B has a spring-detciu; l), by which it maybeengaged with or disengaged from its driving mechanism. The stem C,projecting forwardly from the head or body of the device, carries a tipl) in the form of a conical screw adapted to effect the initial entranceinto the scale or incrustation found on the interior of the boiler-tubesthe removal of which is the pin-pose and use of this cleaner, Across-pin F serves to secure this tip to the stem. FOllOWll'lg the tipis a set say four -of conical cuttersU, which are toothed and havereduced ends II and l to constitute journals, upon which the cuttersturn. A. plate .I, fixed upon the stem C, receives the journals II ofthese conical cutters, while a similar plate K receives the journals Iat the other end of said conical cutters. Thus the cutters are mountedto freely rotate, and by the action of their teeth L they are enabled toattack and remove the lime or other form of incrustation found on theinterior of water-tu be boilers.

Coming now more particularly to the peculiarities of the head or bodyportion proper,

the letter M designates pockets or recesses for the reception of thegeneral cutters N and the letter 0 other recesses or pockets for thereception of the bearing-blocks P. The recesses or pockets M are of anydesired contour in cross-sectionsay that best seen in in Fig. 6, whereinthey are shown to be circular. The cross-section of the recesses orpockets O is best shown in Fig. 2, wherein they are of a contour togenerally lit the bearing-blocks P, with the addition of shoulders Q,which form stops to limit the outward movement of the bearingblocks P,which have shoulders R. Thus it will be understood that the cutters havefree movement, both rotary, around their own axes and radial from theaxis of the head or body proper, in the recesses or pockets M, While thebearingblocks P have radial movement in and out in their recesses orpockets 0. The blocks carry cutter-shafts S, which pass through thecutters N and fit in bearingsT in these bearing-blocks.

It will be noted that the recesses or pockets M and O are so locatedrelatively to each other as to form, in effect, a single recess, havinga central portion M to receive the cutter and end portions 0 to receivethe blocks, said recess opening radially outward. It will further benoted that these recesses thus constituted are arranged in annular rowsaround the body or head, alternating with annular partitions, and thatthe corresponding recesses of the several groups have their axes inalinement with each other lengthwise of the head. It will further benoted that a separate removable cutter-shaft is provided for eachrecess, said cutter-shaft being of a length less than the distancebetween the annular partitions, which define the ends of the recess, butextending through the cutter and the cooperating guide blocks at theends thereof.

The insertion of the cutter-shafts and their removal, as occasion mayrequire, are steps which are effected after and while the bearingblocksP and cutters N are in place in their respective recesses or pockets. Toenable this to be done, openings Uand Vare formed in the head or bodyportion, through which these cutter-shafts S are inserted or withdrawnin a longitudinal direction, the bearing-blocks and cutters being firstplaced in line with these openings U and V for this purpose, so that theshaftsS will enter them or can be withdrawn from them in passing throughthe openings U and V. The openings U are utilized in inserting andremoving the cutter-shafts into and from the first set of cutters N,while the openings V are utilized in the like manipulation of the shaftsS of the second set of cutters N. Plugs U and V keep the shafts in placeafter being inserted. It will be understood that when inserting orremoving these cutter-shafts S the plate K is previously removed, asalso the cutters G, the plate J, and

the tip E, so as to give freedom for the manipulation of these shafts.The shafts of the rear set of cutters N are inserted and removed whilethe forward cutters N and the forward blocks P are out of their recessesor pockets, and in order to remove the shafts of the rear set of cuttersa punch or pin may be inserted in the orifice so as to start the shaftsand plugs and drive them forward until they can be taken hold of byreaching down into the forward recesses or pockets. 1 would furtherstate that the bearing-blocks P are inserted and removed from theirrecesses or pockets 0 by and through the recesses or pockets M,

so that after the said blocks are in place in 30 their recesses orpockets the cutters are introduced. Thus it will be understood thatwhile the head or body portion is constructed of an integral piecesay acasting with recesses 0r pockets M and 0 formed therein and with thesurrounding walls all solid and in one piece, still the cutters N, thebearing-blocks P, and the cutter-shafts S are easily and quicklyassembled in place or removable for repairs or renewal.

Those skilled in the art to which this cleanerhead belongs willunderstand without further detail that the tool when put to use isinserted into boiler-tubes having incrustation formed thereon and bysuitable mechanism is put under high rotation, so that as the tip-screwproceeds into the tube the conical cutters G take up the work of cuttingout the incrustratioi'i, being followed by the first set of cutters Nand the next and succeeding set, the latter cutters being mounted, asdescribed, so as to be capable of radial movement in an out and so as towork out against the incrustation by the centrifugal force derived fromthis high rotary motion.

Having thus fully described my invention, what 1 claim as new, anddesire to secure by Letters Patent, is

1. A boiler-tube cleaner of the rotatory type, comprising an integralhead or body provided with a plurality of recesses therein openingradially outward, each recess comprising a central portion to receive acutter and end portions to receive guide-blocks, said end portionshaving stops to limit the motion of said blocks, said recesses beingarranged in a plurality of annular groups alternating with annularpartitions forming part of the body, two guide-blocks for each recess,adapted to be inserted through the central portion thereof into therespective end portions and to slide radially therein, a cutter for eachrecess located in the central portion thereof between the guide-blocks,and a separate cuttershaft for each recess extending removably throughthe guide-blocks and cutters therein and having a length less than thedistance between the annular partitions, said recesses being ofdimensions such as to permit radial centrifugal movement of the cutters,blocks and shafts when the cleaner is rotated, substantially asdescribed.

2. A boiler-tube cleaner of the rotatory type, comprising an integralhead or body provided with a plurality of recesses therein openingradially outward, each recess comprising a central portion to receive acutter and end portions to receive guide-blocks, said end portionshaving stops to limit the motion of said blocks, said recessesbeing-arranged in a plurality of annular groups alternating with annularpartitions forming part of the body, two guide-blocks for each recess,adapted to be inserted through the central portion thereof into therespective end portions and to slide radially therein, a cutter for eachrecess located in the central portion thereof between the guide-blocks,and a separate cuttershaft for each recess extending removably throughthe guide-blocks and cutter therein and having a length less than thedistance between the annular partitions, said recesses be.

ing of dimensions such as to permit radial centrifugal movement of thecutters, blocks .and shafts when the cleaner is rotated, said annularpartitions being provided with longitudinal openings for the insertionand removal of the cutter-shaft, substantially as described.

A boiler-tube cleaner of the rotatory type, comprising an integral heador body provided with a plurality of recesses therein opening radiallyoutward, each recess com prising a central portion to receive a cutterand end portions to receive guide-blocks, said end portions having stopsto limit the motion of said blocks, said recesses being arranged in aplurality of annular groups alternating with annular partitions formingpart of the body, two guide-blocks for each recess, adapted to beinserted through the central portion thereof into the respective endportions and to slide radially therein, a cutter for each recess locatedin the central portion thereof between the guide-blocks, and a separatecuttershaft for each recess extending removably through theg1;|ide-l;)locks and cutter therein and having a length less than thedistance between the annular partitions, said recesses being ofdimensions such as to permit radial centrifugal movement of the cutters,blocks and shafts when the cleaner is rotated, said annular partitionbeing provided with longi tudinal openings for the insertion and removalof the cutter-shafts, and with removable blocks filling said openings tokeep the cutter-shafts in operative position, substantially asdescribed.

4. A boiler-tube cleaner of the rotatory type, comprising an integral,substantially cylindrie head or body provided with aplurality oflongitudinal recesses therein opening radially outward, said recessesbeing arranged in a plurality of annular groups alternating with annularpartitions forming a part of the body, the longitudinal axes of thecorresponding recesses of the several groups being alined longitudinallyof the head, each recess comprising a central portion to receive acutter and end portions to receive guide-blocks, said end portionshaving stops to limit the motion of said blocks, two guide-blocks foreach reeess, adapted to be inserted through the central portion thereofinto the respective end portions and to slide radially therein, a cutterfor each recess located in the central portion thereof between theguide-blocks, and a separate cutter-shaft for each recess extendingreinovably through the guide-blocksand cutter therein and having alength less than the distance between the annular partitions, saidannular partitions being provided with longitudinal openings inalinement with the longitudinal axes of the recesses and with the cuttershafts, and removable plugs for said openings, substantially asdescribed.

In testimony whereof I aflix my signature in presence of two witnesses.

HENRY F. VEINL-AND.

Witnesses:

E. O. HAoAN, v UrEIR'IlRUDE l). YOUNG.

